Discrete Mathematics and Its Applications, Seventh Edition

Published by McGraw-Hill Education
ISBN 10: 0073383090
ISBN 13: 978-0-07338-309-5

Chapter 4 - Section 4.3 - Primes and Greatest Common Divisors - Exercises: 24

Answer

a) 2700 b) 66 c) 17 d) 1 e) 0 and 5 are relatively prime. f) 210

Work Step by Step

To obtain the greatest common divisor of each pair of integers, multiply together the factors shared by both numbers. a) $2^2\cdot 3^3\cdot 5^2=2700$ b) $2\cdot 3\cdot 11=66$ c) $17$ d) $1$ e) These numbers are relatively prime. f) $2\cdot 3\cdot 5\cdot 7=210$
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